In my book gyros from ground beePh is a no no...never have seen it at a Greek restaurant or snackbar,only have seen it come by on this Phorum.
There are alot of Greek joints where I live and they all make it on a vertical rotisserie made out of slabs of meat stacked.
If you're gonna ask for ground beePh gyros in The Netherlands the Greeks will probably look Phunny at you.
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Dutch BBQ Champion 2011 - 2012*
Dutch BBQ Champion 2013 Low 'n Slow